Ashraf MM, Ullah MO, Malik TN, Waqas AB, Iqbal M, Siddiq F. Robust Extraction of Harmonics using Heuristic Advanced Gravitational Search Algorithm-based Least Square Estimator. The Nucleus [Internet]. 2018 Jan. 24 [cited 2024 Nov. 22];54(4):219-31. Available from: http://202.83.167.189/index.php/Nucleus/article/view/273